- Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not include valve stem seals, rubber part, shims or other fiber gaskets.
KTM -- 500 EXC Six Days -- (2015, 2014, 2016); KTM -- 450 EXC Six Days -- (2014, 2016, 2015); KTM -- 450 EXC -- (2014, 2015, 2016); KTM -- 500 EXC -- (2014, 2016, 2015); Husqvarna -- FE 450 -- (2015, 2016, 2014); Husqvarna -- FE 501 -- (2014, 2015)